1. If only I knew the answer to your question.

2. If only I were good at Chinese

3. If only you had told me about that earlier.

4. If only I had finished my homework last night.

5. If only I had enough money to buy this villa.

6. If only Today was Sunday.

7. If only my dad would stop smoking.

8. If only I hadn't lost my passport.

9. If only I lived near the city center.

10. If only you could understand how I feel about you.

If only ở hiện tại có cấu trúc là:  If only+ S+ V2/-ed + …  ( câu 1,2,5,6,7,9,10)

If only ở quá khứ có cấu trúc là : If only+ S + had + V3/-ed + … (3,4,8)